We used to have one in between sized. It’s a pile of orbiting rubble now.
The total mass of the asteroid belt between Mars and Jupiter equates to about 4% of Earth’s moon. The four largest objects, Ceres, 4 Vesta, 2 Pallas, and 10 Hygiea, account for half of the belt’s total mass, with almost one-third accounted for by Ceres alone.